AquaticHI Aquarium Refractometer for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity (0-100ppt) and Specific Gravity (1.000-1.070) (Standard Kit)

  • ⭐️ DUAL SCALE REFRACTOMETER: Measures in Salinity 0 - 100ppt and Specific Gravity 1.000 - 1.070.
  • ⭐️ IDEAL APPLICATIONS: Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes (Biology Projects).
  • ⭐️ AUTOMATIC TEMPERATURE COMPENSATION (ATC): Automated to provide accurate measurements even with temperature fluctuations.
  • ⭐️ AFFORDABLE high quality while providing ⭐️ PROFESSIONAL testing equipment standards, accurate even at low salt levels.
  • ⭐️ STANDARD PACKAGE INCLUDES: 1 Refractometer, 1 Hard Carrying Case, 1 Calibrating Screw Driver, 1 Pippet, 1 Cleaning Clothe, 1 Instruction Manual.
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TRACKER (2010)

  • [1080P 120° FPV Drone & APP Control] The sky quad drone equipped with 120° wide-angle 1080P photography, which provides a wider breathtaking field of view and lets you enjoy HD pictures and videos from the perspective of the 1080p fpv drones via the “ATTOP CLUB” APP. By connecting your phone/iPad with the long distance drones with camera, you can enjoy a real-time panoramic view of the landscape 196-292 feet away, review them from the folder, and share them on your social media with ease..
  • [More Fun to Fly] Multiple functions waiting for your exploration. Draw a route on the app to let skyline drone fly along, speak to control the flying direction, or show "V" gesture to let the camera drones automatically recognize and take pictures. And can experience a 360° flip during the flight. A built-in G-sensor of ATTOP 1080p fpv drones for adults are compatible with VR glasses, which let the professional drones with camera swing with your phone/iPad and enjoy a breathtaking 3D experience..
  • [Gift Ideas & Carrying Case] ATTOP 1080p fpv drones with camera for adults and beginners are foldable design and comes with a handy carry case which makes the mini drone easy to take out to enjoy the fascinating functions and have fun with your family when going outs....
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The Distance Drone of Traffic

  • [1080P 120° FPV Drone & APP Control] The sky quad drone equipped with 120° wide-angle 1080P photography, which provides a wider breathtaking field of view and lets you enjoy HD pictures and videos from the perspective of the 1080p fpv drones via the “ATTOP CLUB” APP. By connecting your phone/iPad with the long distance drones with camera, you can enjoy a real-time panoramic view of the landscape 196-292 feet away, review them from the folder, and share them on your social media with ease..
  • [More Fun to Fly] Multiple functions waiting for your exploration. Draw a route on the app to let skyline drone fly along, speak to control the flying direction, or show "V" gesture to let the camera drones automatically recognize and take pictures. And can experience a 360° flip during the flight. A built-in G-sensor of ATTOP 1080p fpv drones for adults are compatible with VR glasses, which let the professional drones with camera swing with your phone/iPad and enjoy a breathtaking 3D experience..
  • [Gift Ideas & Carrying Case] ATTOP 1080p fpv drones with camera for adults and beginners are foldable design and comes with a handy carry case which makes the mini drone easy to take out to enjoy the fascinating functions and have fun with your family when going outs....
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Hanna Instruments Saltwater Nitrate Low Range Checker HC - HI781

  • Built-in timer so you don't miss a step..
  • Ideal for aquariums and marine biology applications.
  • For samples containing 5-50 ppm nitrate, follow the dilution procedure.
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Marine Biology 11th Edition

  • Marine Biology 11th Edition by  Peter Castro and Michael Huber.
  • 496 Pages - 10/11/2018 (Publication Date) - McGraw-Hill Education (Publisher).
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Dinosaur A Photicular Book

  • Encourages reading skills, a passion for learning, an interest in marine biology.
  • Moving pictures mesmerize the eyes while words mesmerize the mind.
  • Features enchanting essay about ocean life.
  • Essays, facts, statistics accompany each moving image.
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AquaticHI Aquarium Refractometer w/LED for Saltwater/Brackish/Marine/Reef Tank Testing, Automatic Temperature Control, Salinity 0-100ppt & Specific Gravity 1.000-1.070 (Premium Kit w/LED)

  • ⭐️ DUAL SCALE REFRACTOMETER: Measures in Salinity 0 – 100ppt and Specific Gravity 1.000 – 1.070.
  • ⭐️ IDEAL APPLICATIONS: Aquariums, Marine Monitoring, Agricultural, Gardening & Educational Purposes (Biology Projects).
  • ⭐️ AUTOMATIC TEMPERATURE COMPENSATION (ATC): Automated to provide accurate measurements even with temperature fluctuations.
  • ⭐️ AFFORDABLE high quality while providing ⭐️ PROFESSIONAL testing equipment standards, accurate even at low salt levels.
  • ⭐️ PREMIUM PACKAGE INCLUDES: 1 Refractometer with LED (CR1220 3V battery included) installed on plate prism, 1 spare plate prism (without LED), 1 Hard Carrying Case, 1 Calibrating Screw Driver, 3 Pippet, 1 Cleaning Clothe, 1 Instruction Manual.
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I Just Really Like Stingrays OK? Funny Shark Lover Tshirt

  • An "I Just Really Like Stingrays OK?" distressed, watercolor tee for anyone who loves stingrays and sharks. This marine biology top is a cool gift....
  • Click our brand name for more colors of our stingray apparel..
  • Lightweight, Classic fit, Double-needle sleeve and bottom hem.
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Victrola Premiere S1 Subwoofer

  • 500 WATT POWER: The 12" Car Subwoofer offers a peak power of 500 watts w/ 250-watt RMS & 4 ohm impedance. Lets you pump out some great low frequency bass volume to enhance the party vibe making it a great addition to your marine music audio system.
  • WATER-RESISTANT: The compact component speaker system features a marine grade waterproof plastic case construction making it safe to be installed & used in places where moderate water splashes occur such as in marine or mobile vehicles, car or truck.
  • RGB LIGHTS: Features multi-color RGB lights with remote control, best used on water-based vehicles to add excitement for a fun adventure. The 2.5” aluminum voice coil provides the richest sound, ensuring low distortion & providing open sound stage.
  • 50 OZ MAGNET SIZE: The high-powered car subwoofer features a 12” high quality polypropylene cone w/ rubber edge. The 50 oz barium ferrite magnetic structure and 2.5” high temperature aluminum voice coil boom w/ power & impressive bass response.
  • LOW PROFILE DESIGN: Constructed with a low profile design that can be easily installed on boats, marine watercraft, cars & other off-road vehicles. Features quick-connect speaker terminal plate & compatible w/ sealed enclosure speaker box audio setup.
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Build a Drone: A Step-by-Step Guide to Designing, Constructing, and Flying Your Very Own Drone

  • [1080P 120° FPV Drone & APP Control] The sky quad drone equipped with 120° wide-angle 1080P photography, which provides a wider breathtaking field of view and lets you enjoy HD pictures and videos from the perspective of the 1080p fpv drones via the “ATTOP CLUB” APP. By connecting your phone/iPad with the long distance drones with camera, you can enjoy a real-time panoramic view of the landscape 196-292 feet away, review them from the folder, and share them on your social media with ease..
  • [More Fun to Fly] Multiple functions waiting for your exploration. Draw a route on the app to let skyline drone fly along, speak to control the flying direction, or show "V" gesture to let the camera drones automatically recognize and take pictures. And can experience a 360° flip during the flight. A built-in G-sensor of ATTOP 1080p fpv drones for adults are compatible with VR glasses, which let the professional drones with camera swing with your phone/iPad and enjoy a breathtaking 3D experience..
  • [Gift Ideas & Carrying Case] ATTOP 1080p fpv drones with camera for adults and beginners are foldable design and comes with a handy carry case which makes the mini drone easy to take out to enjoy the fascinating functions and have fun with your family when going outs....
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Drones with Camera for Adults - 1080P FPV Drone with Carrying Case, Foldable RC Drone W/2 Batteries, Altitude Hold, Headless Mode , ATTOP Camera Drones for Adults/Beginners, Girls/Boys Gifts

  • [1080P HD Camera Drone & 120°FPV Function] ATTOP Professional drones with camera are equipped with 120° wide Angle 1080P photography, providing a wider amazing field of view. Through the "ATTOP CLUB" APP, you can enjoy high-definition pictures and videos from the camera drone's perspective. Connected to 1080P FPV drone for adults via your phone /iPad, you can enjoy live panoramic views from 196-292 feet away, view them from folders and easily share them on your social media..
  • [Infinite Fun for You] ATTOP Professional drones with camera have a variety of functions. You can control this sky quad drone through the APP "ATTOP CLUB". Draw the route on the APP for the quadcopter to fly, flight direction by voice, 360° flip during flight, or make the camera drones automatically recognize and take photos by "V" gesture. ATTOP Camera drones with built-in G sensor, compatible with VR glasses, lets 1080p fpv drones swing with your phone /iPad for an amazing 3D experience..
  • [Ideal Gift with A Carrying Case] ATTOP 1080p FPV Drone with camera, suitable for adults and beginners, foldable design, and comes with a carrying case, making the professional drones with camera easy to take out, enjoy charming features, and play with the family while out and about. Conside....
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Cool Aqua Jellyfish Lover Blue Ocean Explorer Cute Jellyfish Tank Top

  • Aqua Blue Jellyfish Cool Retro Shirt Great For Jellyfish Loving Kid, Marine Biology Student, Sailing Friend, Outdoor Adventurer, Spear Fisherman,....
  • Cute Cool Blue Ocean Jellyfish Floats in Friendly Sea. Aqua Jellyfish Looks Cool at Beach Picnic, Swim Lesson, Surf Contest, Volleyball Game, Kayak....
  • Lightweight, Classic fit, Double-needle sleeve and bottom hem.
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SkyLog: The Ultimate Drone Flight Logbook for Pilots , Flight Time , Map , Weather , Drone Tracker . Weight , Distance , Battery Tracker Logbook . ... Analyze, and Optimize Your Flight Performance

  • [1080P 120° FPV Drone & APP Control] The sky quad drone equipped with 120° wide-angle 1080P photography, which provides a wider breathtaking field of view and lets you enjoy HD pictures and videos from the perspective of the 1080p fpv drones via the “ATTOP CLUB” APP. By connecting your phone/iPad with the long distance drones with camera, you can enjoy a real-time panoramic view of the landscape 196-292 feet away, review them from the folder, and share them on your social media with ease..
  • [More Fun to Fly] Multiple functions waiting for your exploration. Draw a route on the app to let skyline drone fly along, speak to control the flying direction, or show "V" gesture to let the camera drones automatically recognize and take pictures. And can experience a 360° flip during the flight. A built-in G-sensor of ATTOP 1080p fpv drones for adults are compatible with VR glasses, which let the professional drones with camera swing with your phone/iPad and enjoy a breathtaking 3D experience..
  • [Gift Ideas & Carrying Case] ATTOP 1080p fpv drones with camera for adults and beginners are foldable design and comes with a handy carry case which makes the mi....
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